Salt Lake City weather in July

July in Salt Lake City: sweltering, dry — fine if you can take 35°C afternoons.

Updated September 2026 · climate normals from ERA5 reanalysis

Salt Lake City🇺🇸 United States · Rockies · City66
  1. 51Jan
  2. 61Feb
  3. 72Mar
  4. 82Apr
  5. 94May
  6. 88Jun
  7. 66Jul
  8. 80Aug
  9. 92Sep
  10. 84Oct
  11. 69Nov
  12. 53Dec

#9 of 12 months in Salt Lake City · #988 of 1413 destinations to visit in July · comfort 66/100 (tier C)

Days
36°C
Nights
21°C
Wet days
1
Sun
13.4 h
Humidity
39%
Daylight
15 h
Salt Lake City, United States
Photo: Stephen Leonardi · Pexels

Traveller notes on Salt Lake City in July

Notes from nearby Alta (29 km away)

Salt Lake City doesn't have its own notes for July yet — these are about Alta, close enough to share the season.

Alta-forum threads on a July visit describe Albion Basin as genuinely at peak wildflower bloom, posters naming the seasonal gate opening July first as the real signal hiking there is finally possible. Regulars call the Cecret Lake trail a real standard pick, several posters naming it an easy, family-friendly way to reach the wildflower meadows. Posters call parking genuinely limited once the gate opens, several regulars recommending an early start or the shuttle to avoid a long wait at the trailhead. Regulars call July mornings comfortably cool before afternoon warmth sets in, several threads naming this the real window for a comfortable hike. Posters recommend checking bloom reports before a July trip, several regulars calling timing genuinely variable year to year depending on the past winter's runoff. The record: 22.8C days, 13.4C nights, 86.4mm across nearly 14 days and 44 percent humidity.
AltaJulyRegular · July · 1 month ago · about Alta · Read more on Tripadvisor ↗

Other months in Salt Lake City

Regulars describe two very different scenes a short drive apart: the valley floor typically green and in the 60s Fahrenheit with snow on the ground genuinely unusual, while the mountains stay cool enough to hold real snow, hardening overnight and softening into spring mush by afternoon. Our row backs both halves, 17C over 5.1C nights feeling 2C in town, with 43.4mm of rain across 4.5 days and a real 5.7cm of snow reflecting the higher-elevation total rather than anything sticking downtown. Regulars name Snowbird specifically as the resort most likely to stay open into late April, sometimes past Memorial Day, though a storm dropping over a foot of fresh snow remains a real possibility even this late in the season. The record: humidity 63 percent, 11.1 hours of sun, a 13.6 kph wind and AQI 57.
GreenGrassInTownSpringSlushOnTheSlopes · April · 1 month ago · Read more on Tripadvisor ↗
Asked about October snow, regulars give the reassuring version and the reason behind it: a storm can arrive, but the ground is still warm, so it melts off the streets quickly. Our 1.8cm for the month is that - a possibility rather than a season. Mid-October they put in the sixties by day and forties at night, and our 19.4C over 6.2C agrees, though the felt figures are 17C and 3C on very dry air, a dew point of 1.6C. The colour peaks in the canyons in the last days of September and the first week of October and holds into the second weekend, so an early-month trip catches it and a late one does not. The record: 40.8mm of rain across 3.9 days, 9.4 hours of sun and AQI 38.
SnowThatDoesNotStick · October · 1 month ago · Read more on Tripadvisor ↗
Regulars call September the glorious month here - warm days in the seventies and eighties, evenings dropping to the fifties and sixties, and little rain - and our row is that description in metric: 28.5C over 13.9C with 19.4mm falling across 1.3 days. The dryness is the real signature, 50 percent humidity and a dew point of 4.4C, which is why a hot afternoon still cools hard after dark and a sweater is not optional. Fall colour runs from late September into early October, and it starts high: the canyons above the city, Alta and Brighton, turn first and are quiet at that point in the year. Snow can reach those elevations from mid-month while the valley sees none. The record: 11.1 hours of sun and AQI 41.
ColoursStartAtAltitude · September · 1 month ago · Read more on Tripadvisor ↗
May in Salt Lake City is two months in one, and the local saying regulars quote is that if you do not like the weather you should wait a minute. Early May is the unpredictable half, with snow still possible at higher elevations; late May settles into mild to warm, their range running from 60 to 90F against our row's 23C average high. The advice is layers, because the swing from the morning low to the afternoon high is large and grows larger the higher you drive. That elevation is the other May warning: snow and mud can still be sitting on the upper trails, so the hiking you planned may have to wait for the melt. Our row keeps 0.5cm of snow inside the May normal. The record: 10C nights, 3.6 precipitation days carrying 31.5mm and 12.5 hours of sun.
WaitAMinuteWeather · May · 1 month ago · Read more on Tripadvisor ↗

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Salt Lake City climate normals — July

Daytime high36°C / 97°F🔥 sweltering
Nighttime low21°C / 70°F
Feels like (high)35°C / 95°F
Rainfall5 mm / 0.2 in☀️ dry
Rainy days1 days
Humidity39%🌵 dry
Dew point7°C / 44°F
Sunshine13.4 h/day
Daylight14.8 h
Wind14 km/h / 8 mph
Air quality (US AQI)53🙂 moderate

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Salt Lake City in July

How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.

Peak crowdsIndependence Day, Pioneer Day, Summer break in United States(estimated)

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Peak crowdsBusyShoulder seasonQuiet

Best months for Salt Lake City's weather

Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).

Fair weatherSalt Lake City's best weather comes in May, June and September — separate windows, not one continuous season.

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Best weatherFair weatherToughest weather

What's on in Salt Lake City in July

Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.

  • Holiday

    Independence Day

    3–5 JulNational holidayCrowdedClosures

    The Fourth of July is a federal holiday: banks and government offices close, fireworks draw large crowds to parks and waterfronts after dark, and roads and flights are busy over the long weekend. Claim a viewing spot early. Source ↗

  • Hazard

    Wildfire smoke season

    15 Jul – 20 Sep · usually

    The same valley that traps winter exhaust traps summer smoke drifting in from the Great Basin and California. It is the second of the two seasons a year when the air here is the story. Source ↗

  • Holiday

    Pioneer Day

    24 JulMajor festivalClosuresCrowded

    A state holiday on 24 July marking the Mormon arrival in the valley, with a parade, a rodeo and more fireworks than the fourth. Offices and many businesses close for it. Source ↗

What's on around the world in July →

Nearby, and something's on

Within 300 km of Salt Lake City — a day trip or a short hop — with something on this month. Never part of the comfort score.

Where is Salt Lake City?

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Salt Lake City in July — FAQ

Is July a good time to visit Salt Lake City?
July in Salt Lake City: sweltering, dry — fine if you can take 35°C afternoons. It ranks #9 of 12 months for Salt Lake City on SeasonMap's comfort score (66/100).
What is the weather like in Salt Lake City in July?
In July, Salt Lake City averages a daily high of 36.1°C and a low of 21.1°C, with about 4.9 mm of rain over roughly 0.5 rainy days.
What is the air quality in Salt Lake City in July?
Salt Lake City has a mean US Air Quality Index of about 53 in July.

Within 300 km: Park City's Alpine wildflowers around 1 Jul – 15 Aug.